@misc{indiciae544eb26a84f2,
  title = {Iron in spodumene of different mineral assemblages in black hills Pegmatites, South Dakota},
  author = {J.J. Norton},
  year = {1982},
  doi = {10.2113/gsecongeo.77.3.702},
  url = {https://pubs.usgs.gov/publication/70207018},
  note = {Source identifier: 70207018}
}